Freeze dried heart valves as tympanic grafts.
D000818:Animals; D001021:Aortic Valve / Q000473:pathology / Q000637:transplantation*; D005612:Freeze Drying; D006801:Humans; D011664:Pulmonary Valve / Q000473:pathology / Q000637:transplantation*; D012756:Sheep; D014181:Transplantation Immunology; D014183:Transplantation, Heterologous; D014184:Transplantation, Homologous; D014433:Tympanoplasty / Q000009:adverse effects